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单项选择题 Simultaneous Multithreading (SMT) is enabled in a POWER6 VIO client running AIX 6.1.  Which command would be used to disable it after the next operating system reboot is performed?()

A、 schedo -o smt=0 -p

B、 smtctl -m off -w boot

C、 chdev -l sys0 -a smt=off

D、 echo 0 > /proc/sys/smt_enable

  • B
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